Bug fixes
* Left arrow key is now disabled on index 0 of guide step view
* Right arrow key is now disabled on last index of guide step view
* Set loading state properly when closing guide step view with animation
Don’t use gray color on page title
Merge branch 'master' of https://github.com/ardok/python-playground into f/with-wrapper

Conflicts:
	python-flask/static/js/view.js